MLECO-3079: Implement image classification API

All ML related work for image classification seperated out and accessed via new Runner
Further work to improve profiling integration to be done in follow up ticket: MLECO-3154

Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: I0fe0550c932241a2d335a560ecb7abc329c934e9

1 files changed, 63 insertions, 0 deletions

diff --git a/source/use_case/img_class/include/ImgClassProcessing.hpp b/source/use_case/img_class/include/ImgClassProcessing.hpp
new file mode 100644
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+++ b/source/use_case/img_class/include/ImgClassProcessing.hpp
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+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef IMG_CLASS_PROCESSING_HPP
+#define IMG_CLASS_PROCESSING_HPP
+
+#include "BaseProcessing.hpp"
+#include "Model.hpp"
+#include "Classifier.hpp"
+
+namespace arm {
+namespace app {
+
+    /**
+     * @brief   Pre-processing class for Image Classification use case.
+     *          Implements methods declared by BasePreProcess and anything else needed
+     *          to populate input tensors ready for inference.
+     */
+    class ImgClassPreProcess : public BasePreProcess {
+
+    public:
+        explicit ImgClassPreProcess(Model* model);
+
+        bool DoPreProcess(const void* input, size_t inputSize) override;
+    };
+
+    /**
+     * @brief   Post-processing class for Image Classification use case.
+     *          Implements methods declared by BasePostProcess and anything else needed
+     *          to populate result vector.
+     */
+    class ImgClassPostProcess : public BasePostProcess {
+
+    private:
+        Classifier& m_imgClassifier;
+        const std::vector<std::string>& m_labels;
+        std::vector<ClassificationResult>& m_results;
+
+    public:
+        ImgClassPostProcess(Classifier& classifier, Model* model,
+                            const std::vector<std::string>& labels,
+                            std::vector<ClassificationResult>& results);
+
+        bool DoPostProcess() override;
+    };
+
+} /* namespace app */
+} /* namespace arm */
+
+#endif /* IMG_CLASS_PROCESSING_HPP */
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